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Finding the Fourth Proportional to 16,808.20, 25,190.70 and 8,024.20

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Solution

The fourth proportional to 16,808.20, 25,190.70 and 8,024.20 is: 12,025.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,808.20 : 25,190.70 = 8,024.20 : x
  2. Step 2: Convert to fraction form
    16,808.20/25,190.70 = 8,024.20/x
  3. Step 3: Cross multiply
    16,808.20x = 25,190.70 × 8,024.20
  4. Step 4: Simplify right side
    16,808.20x = 202,135,214.94
  5. Step 5: Solve for x
    x = 202,135,214.94/16,808.20
  6. Step 6: Final answer
    x = 12,025.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.